分析了模型系数和模型结构的生物学特性。
The biological traits of the coefficient and structure of this model were analyzed.
本文提出一种克服线性回归模型系数矩阵病态的“紧致最小二乘估计”。
In this paper a "compact least square method" is presented to overcome the ill-conditioned coefficient matrices in the linear regression models.
采用同炮检距道集进行迭代叠加和乘模型系数道叠加，可以提高速度分析的精度。
The velocity analysis accuracy may be raised by applying iterative stacking method and multiplying model trace stacking method to common-range gathers.
针对感应同步器测角系统，提出了一种自动检测测角误差、辨识误差模型系数和补偿误差的方法。
A method that measuring angular displacement error, identifying parameters of error model and compensating error automatically was put forward based on inductosyn angular measuring system.
提出了一种在不带有反转平台的精密离心机上标定陀螺加速度计误差模型系数的两位置测试方法。
The paper presented a two-position test method for calibrating error model coefficients of PIGA (pendulous integrating gyro accelerometer) using precision centrifuge without counter-rotating platform.
阐述了所提方案的测试原理，并提出分离和精确标定陀螺加速度计误差模型系数的数据处理方法。
Its testing principle was expounded, and a data processing method for separating and accurately calibrating error model coefficients were presented.
利用核函数法和广义最小二乘法给出了一般变系数ev模型系数参数的估计，得到了估计的强相合性。
In this paper, the estimation of coefficient functions in a varying-coefficients EV model are constructed by using kernel smoothing and generalized least square method.
针对某飞行器结构响应信号TVARMA模型参数估计问题，本文提出了一种TVARMA模型系数分步估计方法。
To solve the problem of modeling the radio signal with TVARMA, a step-by-step method was proposed to estimate the TVARMA parameters.
在分析污水排放数据处理的现状后，运用灰色系统理论，通过优化模型系数与背景取值，建立了多因素灰色GM (1,N)模型。
After analyzing the existing situation of sewerage drainage using the Grey System, a Grey model GM (1, n) is proposed by the optimization of the context value and the coefficient of the model.
当该模型与排除体积理论结合时，可同时获得实验临界压缩系数和博伊尔值。
When this model is combined with the theory of excluded volume experimental critical compressibility factor and boyle value are obtained together.
显然，他们的模型漏掉一些重要的修正系数。
Clearly, their model misses some important correction factor.
这个数据存储提供大量的标准模型，包括GHGProtocol、SAP构建评估、150个国家和地区的碳排放系数，以及相关的方法。
The data store provides a huge array of standard models, including the GHG Protocol, SAP building assessment, carbon emissions factors for 150 countries and regions, and related methodologies.
GORM有助于缓解抽象泄漏问题，它支持使用对Groovy有意义的方式表示对象模型，由 GORM在幕后处理关系数据库的问题。
GORM helps mitigate the leaky-abstraction problem by allowing you to represent your object model in a way that makes sense in Groovy.
那么XML与关系数据模型之间的关系究竟是怎样的？
So just what is the relationship between XML and the relational data model?
这是将对象模型映射到关系数据库模型的一种典型框架。
This is typical of frameworks that map object models to relational database models.
用基于 SQL 的模式可以把数据呈现从对象模型映射到关系数据模型，对象关系映射引用了这项技术。
Object relational mapping refers to the technique of mapping the data representation from an object model to a relational data model with a SQL-based schema.
关系数据库模型和SQL语言的使用必须考虑到企业级性能和可伸缩性。
The relational data model and use of the SQL language allows for enterprise level performance and scalability.
YQL使用人们熟悉的表格与行的关系数据库模型。
YQL USES the familiar relational database model of tables and rows.
模型是一个关系数据库。
这使得持久化已发布的记录非常容易，并且不需要用传统的关系数据结构创建hl7模型。
This made it extremely easy to persist the published records without the need to create the HL7 model in a traditional relational structure.
变化的业务需求不断地要求向关系数据模型或面向对象模型中添加新实体和关系。
From time to time, the demands of changing business needs require that you add new entities and relationships to the relational data models or object-oriented models.
XML中次序的重要性与关系数据模型中缺少固有次序形成了鲜明对比。
The importance of order in XML contrasts sharply with the absence of intrinsic order in the relational data model.
对于软件模型来说，这种表示方法非常合适，但是关系数据库采取的表示方法略有不同。
That's all fine and good for the software model, but relational databases take a slightly different approach.
这样使得在关系数据库模型中导入外键更方便。
This makes importing foreign keys easier in relational database models.
优秀的关系数据库人员和对象模型设计者可能具有相互竞争的目标，从而使得其各自的实现也具有很大的差异。
Good relational database practitioners and object model designers can have competing goals that make their respective implementations quite different from each other.
了解关系数据库、数据模型、惟一键、主键、外键和表联结。
Learn about relational databases, data models, unique keys, primary keys, foreign keys, and table joins.
虽然该数据可以存储在关系数据库中，但也同样可以使用面向文档的模型。
Although this data could be stored in a relational database, it fits well with the documented-oriented model too, don't you think?
另外，必须在中间层中编写更多代码，将关系数据映射到对象数据模型或XML数据模型。
Plus, you would have to write additional code in the middle tier to map the relational data to an Object data Model or an XML data Model.
模型需要匹配源XML或关系数据库中存在的类型、属性和关系，需要将此信息指定给DAS。
The model needs to match the types, properties, and relationships that exist in the source XML or relational database, and this information needs to be specified to the DAS.
IT系统使用关系数据模型、大文件、面向对象模型和私有数据模型来对意义进行组织。
IT systems organize meanings using relational data models, flat files, object-oriented models, or proprietary data models.
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